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Our premium thermal underwear for men is made from silky soft merino wool and with touch of LYCRA® for the perfect fit. Lightweight, soft, and breathable, our men’s underwear will help keep you cool and dry. Part of a perfect layering system, merino wool underwear for men help preserve warmth in the cold and keep you cool in warm temperatures. Plus, our men’s underwear, like all of our merino wool mens clothing, is odor-resistant and easy to care for, making it perfect for travel and all your outdoor activities. Check our other merino wool layering options including: Men's t-shirts, hoodies and leggings. Feel the difference in Icebreaker’s low-profile, soft, and comfortable merino wool underwear for men today.